Server/Client Access Control Solutions
Keri NXT Series
Easy Installation and Configuration of Server/Client Solutions
Doors.NET™ Software and NXT Family of TCP/IP-based Access Control Components
Over 90,000 Organizations Chose Keri When Security Mattered Most
"Our lead tech, John McCleery, and I are very appreciative of your support with this project as well as your support in the past" - Security21
90,000+ Installs
Thousands of successful installs and lessons learned.
"Working with Keri is like hitting the Easy Button. It's just a great partnership" - Rick Estess
15+ Million Cardholders
Over 15 million people use Keri Systems credentials.
"Thank you for your top-notch professionalism and amazing customer support" - American Knights Security
37 Countries
Keri Systems has installations and experts around the world.
Integrate with with Doors.NET™
Doors.NET™
Managing and monitoring doors made simple.
Enjoy powerful control software that lets you manage and monitor installations of any size — whether you’re securing 3 doors or 30,000.
Learn About Doors.NET™NXT MSC Controllers
Ethernet-based for peer to peer communication and to host. Flash updatable. Available in 2 or 4 door versions.
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NXT Controller Add-Ons
4 Input/Output I/O Expansion
Networked via RS-485 to Controller. 4 supervised inputs/4 outputs. Flash updatable.
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NXT-RM3
Allows connection of Wiegand output readers to NXT Controllers and allows the connection of Keri MS Series Proximity Readers for legacy systems.
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NXT-WI Plus
Allows connection of Wiegand output readers to NXT Controllers. Mounts on and connects directly to NXT Controller.
View ProductNXT Credentials & Readers
Proximity Cards and Tags
Keri Systems offers 4 types of Credentials that are seamlessly compatible with all of our NXT Hardware.
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NXT Readers
- Connected to Controller via RS-485 with a heartbeat so readers are supervised.
- Encrypted data from Cards to Readers to Controllers.
- 64-bit encrypted format.
- 1,000 Ft cable distance to controllers.
i2 Appliances
Pre-loaded with Doors.NET Access Control Software.
- Turn it on and discover your controllers, then start programming immediately.
- Eliminates errors and variability found in customer-provided or off-the-shelf PCs.
Keri Extensive Warranties
Reliability Assured
We stand by our engineering and craftsmanship and are so confident of reliability that we back our products with extensive industry-leading warranties.
Grow Your Business with a Custom Keri Solution
Win new business and grow your security company. We're by your side from initial bid to final inspection.
Tell us your security project specifications
We begin the process with a 15-30 minute phone call to determine if we have a solution that can meet the needs of your job.
Together, we design an affordable solution
Our expert support team will help you design a security solution that meets your client’s needs and your financial requirements.
Tell us your security project specifications
We begin the process with a 15-30 minute phone call to determine if we have a solution that can meet the needs of your job.
Together, we design an affordable solution
Our expert support team will help you design a security solution that meets your client’s needs and your financial requirements.